/// <summary>
/// create the chess pieces
/// </summary>
/// <param name="fen"></param>
private void loadChessPieces(string fen)
{
string chessBoard;
string[] chessArr = fen.Split(' ');
m_IndexX = 0;
m_IndexY = 0;
if (chessArr.Length < 1)
{
return;
}
else
{
chessBoard = chessArr[0];
}
foreach (char curWord in chessBoard)
{
if (curWord >= 49 && curWord <= 57)
{
m_IndexX += ChessUtils.charToNum(curWord);
}
else if ((curWord >= 65 && curWord <= 90) || (curWord >= 97 && curWord <= 122))
{
//red
createPiece((byte)curWord);
}
else if (curWord == 47)
{
m_IndexX = 0;
m_IndexY++;
}
}
}
/// <summary>
/// it's only move the chess piece, after select it
/// </summary>
/// <param name="newLocation"></param>
private void chessMove(int gridX, int gridY)
{
if (_selectChess != null && _selectChess.Type == _currentActionType)
{
if (_selectChess.move(gridX, gridY))
{
//_selectChess.IsChecked = false;
chessArray[_selectChess.GridY, _selectChess.GridX] = (byte)_selectChess.PieceType;
chessArray[_selectChess.PreviousGridY, _selectChess.PreviousGridX] = (byte)0;
string move = ChessUtils.getMoveString(_selectChess.GridX, _selectChess.GridY, _selectChess.PreviousGridX, _selectChess.PreviousGridY);
_updateMovesStep(move);
doSomeAfterMove();
}
}
}
/// <summary>
/// it's common from select chess piece, or attack another chess piece
/// </summary>
/// <param name="theChessPiece"></param>
private void chessItemSelected(BaseChess theChessPiece)
{
if (_selectChess == null)
{
//第一次选择棋子
if (theChessPiece.Type == _currentActionType)
{
_selectChess = theChessPiece;
//_previousChess = _selectChess;
}
else
{
//选择错了棋子
theChessPiece.IsChecked = false;
}
}
else
{
//已经选择了一个棋子，再次选择时是对方棋子
if (theChessPiece.Type != _currentActionType)
{
BaseChess beAttackChess = theChessPiece;
if (_selectChess.move(beAttackChess.Location))
{
chessArray[_selectChess.GridY, _selectChess.GridX] = (byte)_selectChess.PieceType;
chessArray[beAttackChess.GridY, beAttackChess.GridX] = 0;
_previousOppositeChess = beAttackChess.Clone();
beAttackChess.remove();
string move = ChessUtils.getMoveString(_selectChess.GridX, _selectChess.GridY, _selectChess.PreviousGridX, _selectChess.PreviousGridY);
_updateMovesStep(move, true);
_updateFenStr();
doSomeAfterMove();
}
else
{
//不遵循着法
beAttackChess.IsChecked = false;
}
}
else
{
//如果再次选择时还是己方棋子,更改check状态
_selectChess.IsChecked = false;
//更换当前引用
_selectChess = theChessPiece;
}
}
}
/// <summary>
/// send position command to engine
/// and update the fen
/// </summary>
private void _sendPositionCommand()
{
StringBuilder cmd = new StringBuilder();
string[] strArr = fen.Split(' ');
if (strArr.Length < 1)
{
cmd.Append(fen);
}
else
{
cmd.Append(strArr[0]);
}
string theType = ChessUtils.getTypeForUcci((int)_currentActionType);
cmd.Append(" " + theType + " - - 0 ");
cmd.Append(m_nNoOfMoves.ToString() + " ");
cmd.Append(moves);
fen = cmd.ToString();
_theEngineClient.SendPositionCommand(fen);
}
/// <summary>
/// get the best move from engine
/// </summary>
private void _executeBestMove()
{
int currentGridX, currentGridY, nextGridX, nextGridY;
BaseChess _attackedChess = null;
if (ChessUtils.getGridXY(bestMove, out currentGridX, out currentGridY, out nextGridX, out nextGridY))
{
_selectChess = BaseChess.getChessOnPoint(panel1, currentGridX, currentGridY);
_attackedChess = BaseChess.getChessOnPoint(panel1, nextGridX, nextGridY);
if (_selectChess != null)
{
chessItemSelected(_selectChess);
if (_attackedChess != null)
{
chessItemSelected(_attackedChess);
}
else
{
chessMove(nextGridX, nextGridY);
}
}
}
}